航海英語船舶證書的有效期、展期與更新單項(xiàng)選擇題每日一練(2019.01.15)

來源：考試資料網(wǎng)

1 This Certificate will remain in force until May 1,2009.This Sentence refers to （） of the Certificate.

2 Tonnage tax is officially based upon the figures obtained from the （）.

3 My Deratization Exemption Certificate will （） by the end of this month．

4 The agency which assigns load lines and issues Load Line Certificates is the （）.

5 （）the vessel have no safety radiotelegraphy certificate at the time of her delivery,she （） be held to be unseaworthy.

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